CET4、TEM4、考 研、CET6

when单词基本解析：

conj.当…时; 一pron.什么时候adv.什么时候; 在那时; 当时
adv.什么时候, 当 ... 时 conj.然后, 可是, 当 ... 时 pron.什么时候n.时间
adv.什么时候；（用于时间的表达方式之后）在那时；其时；当时

when变化用词：

动词过去式: whelmed | 动词过去分词: whelmed | 动词现在分词: whelming | 动词第三人称单数: whelms |

when英英释义：

Adverb

1. as soon as;

"once we are home, we can rest"

名词 whelp:

young of any of various canines such as a dog or wolf

同义词：pup

动词 whelp:

birth

同义词：pup

When"When"- a song by French singer Amanda Lear released in 1980 by Ariola Records.

以上来源于:Wikipedia

when中文词源：

when 什么时候 来自PIE*kwo,印欧语疑问代词根，词源同who,where,why,how.

when用法和例句：

When did you last see him?

你上次什么时候见到他的？

When can I see you?

我什么时候可以见你？

When (= in what circumstances) would such a solution be possible?

什么情况下可以这么解决？

Sunday is the only day when I can relax.

星期日是我唯一可以休息的日子。

There are times when I wonder why I do this job.

有时候我也不明白自己为什么要干这个工作。

The last time I went to Scotland was in May, when the weather was beautiful.

我上次去苏格兰是在五月份，那时的天气好极了。

Until when can you stay?

你可以待到什么时候？

‘I've got a new job. ’ ‘Since when? ’

“我有了份新工作。”“什么时候开始的？”

I loved history when I was at school.

我上学时喜欢历史。

Call me when you've finished.

你完成后就打电话给我。

Can you spare five minutes when it's convenient?

方便时能占用你五分钟时间吗？

He had just drifted off to sleep when the phone rang.

他刚睡着电话铃就响了。

How can they expect to learn anything when they never listen?

既然他们从不听讲，他们怎么能指望学到东西呢？

She claimed to be 18, when I know she's only 16.

她自称是18岁，可是我知道她才16。

When are you going home?...

你什么时候回家？

When did you get married?...

你什么时候结的婚？

When eating a whole cooked fish, you should never turn it over to get at the flesh on the other side...

吃一整条鱼时，切忌把它翻过来去吃另一面的肉。

Mustard is grown in the field when weeds are there, rather than when the growing crops are there.

芥菜要在地里长杂草而不是长庄稼时种植。

When I met the Gills, I had been gardening for nearly ten years.

遇到吉尔一家时我已经做了近10年的园艺工作。

When he brought Imelda her drink she gave him a genuine, sweet smile of thanks...

当他把饮料拿给艾梅尔达时，她真诚而甜美地向他微笑以示感谢。

I'll start to think about it when I have to write my report.

我要写报告时会对此予以考虑的。

I asked him when he'd be back to pick me up...

我问他什么时候回来接我。

I don't know when the decision was made...

我不知道决定是什么时候作出的。

He could remember a time when he had worked like that himself...

他还能记得自己一度工作起来也是那个样子。

She remembered clearly that day when she'd gone exploring the rockpools...

她清楚地记得她去岩石区潮水潭探险的那天。

How can I love myself when I look like this?...

我这个样子，怎么能对自己满意呢？

Emerald starlings are fairly small when compared with other such birds.

与同类的其他鸟相比，翠辉椋鸟要小很多。

Our mothers sat us down to read and paint, when all we really wanted to do was to make a mess...

我们的母亲让我们坐下来读书和画画，而我们真正想做的却是打打闹闹。

The temperature sensor is making the computer think the engine is cold when, in fact, it's hot.

温度传感器发给计算机的信息为发动机是冷却的，可实际上它的温度很高。

when

I bowed out five years ago when I was sixty.

5年前,当我60岁时就退休了。

Don't give away to the public when we will start.

不要向公众泄露我们出发的日期。

Don't cling to the kerb when you're driving.

不要紧贴路边开车。

He left when the band began to beat out pop music.

乐队一奏起流行音乐他就走了。

It's best to allow for shrinkage when buying cotton clothes.

买棉布衣服时最好考虑到它们的缩水率。

She tends to over-react when things go wrong.

事情一有差错她往往反应过激。

Henry is nowhere when it comes to the race for class president.

亨利在竞选级长中被远远抛在后面。

People become uninhibited when they drink.

人一喝酒就会变得肆无忌惮。

People get rude and whiny when they are exhausted.

人们在精疲力竭的时候会变得粗野，爱发牢骚。

People use maggots as bait when they go fishing.

人们钓鱼时用蛆作钓饵。

It is difficult to be natural when one is tense.

人在紧张的时候很难泰然自若。

Tennis loses its relish when one gets old.

人老了就觉得打网球没意思了。

He have scarcely get home when the telephone ring.

他一回到家电话铃就响了起来。

He had hardly seen me when he ran off.

他一看到我就跑掉了。

He stammers when he feels nervous.

他一紧张就结巴。

I switch off when he starts talking about cars.

他一谈起汽车我就厌烦。

He gets so wound up when he's arguing.

他一辩论起来就十分激动。

Did they tell you when to start out?

他们告没告诉你什么时候出发？

They wanted to know when you would go to the park.

他们想知道你们什么时候去公园。

He had only been in for 10 minutes when Jones bowled him out.

他击球才十分钟就被琼斯投球杀出局。

Scarcely had he arrived when he had to leave again.

他刚刚到达就不得不又离开。

His hair became gray when he was only forty.

他刚刚四十岁时，头发就变得灰白了。

He is unbearable when he's in a bad temper.

他发脾气时让人无法忍受。

He raised Cain when he found he had been cheated.

他发觉受骗而勃然大怒。

He was beaten out with fatigue when he got home.

他回到家里时已是疲惫不堪。

He reverted to smoking when under stress.

他因受到压力又恢复了吸烟的习惯。

He gave in when he was threatened with torture.

他在受到严刑威胁时投降了。

He always latch on to me when he see me at a party.

他在聚会上一看见我就总是缠著我。

He's of an age when he ought to settle down.

他已经到了应该安顿下来的年龄了。

He was a tumbler when he was young.

他年轻时是杂技演员。

She sat to many famous painters when she was young.

他年轻时给许多著名画家当过模特。

He's in his element when playing badminton.

他打起羽毛球来真是得心应手。

He got engaged to her when working in Xian.

他是在西安工作时和她订婚的。

I'll be around when he is pushing up daisies.

他死后入了土，我还会活着。

The fire blazed up when he poured petrol on it.

他浇上汽油火就熊熊地燃烧起来了。

He becomes inarticulate when angry.

他生气时，会说不出话来。

He was only eight when he ascended the throne.

他登上王位时才八岁。

He doubled up when he was struck in the belly.

他的肚子被击中时，他痛得蹲了下来。

All his hopes came to naught when he failed the exam.

他考试不及格，所有的希望都化为泡影了。

He was told to have an eye to when the oil ran out.

他被告知得注意着石油何时用完。

She blushed when he scolded her.

他责备她时，她脸红了。

His bottom waggle in a funny way when he walk.

他走路时臀部扭来扭去，很可笑。

He was fond of drawing when he was a child.

他还是个孩子时就喜欢画画。

I was paging through a magazine when he came in.

他进来时我在翻阅一本杂志。

He always swears and blasphemes when he's drunk.

他酒醉后总是骂骂咧咧亵渎神灵。

It seems that matter is lost when fuels burn.

似乎燃料燃烧时物质就消失了。

A bicycle is a real boon when you live in a small town.

住在小城镇上，有辆自行车确实极为方便。

When did you begin learning English?

你何时开始学习英语的？

Have the train arrive when you get to the station?

你到车站时火车已经来了吗？

Come in when you hear the buzzer.

你听到蜂音电铃声就进来。

The game will lose its relish when you grow old.

你年纪大了以后,就会发现这种游戏的趣味大打折扣了。

When do you guess the airplane will take off?

你猜飞机何时要起飞？

You should see the clobber he takes when he goes climbing!

你真该看看他去登山时带的服装和设备！

Could you give me a rough idea when you'll be back?

你能告诉我你大概什么时候回来吗？

Put the book back when you have done with it.

你读完这本书时把它放回原处。

My bags were examined when I entered the country.

入境时，我的提包受到了检查。

She woke up with a start when the door slammed.

关门声把她惊醒了。

When I left the hospital I was completely cured.

出院时，我已经完全痊愈了。

Drop in and see us when you're next in London.

到伦敦时顺便来看我。

The flag is only raised when royalty are present.

只有在王室成员在场的时候才升起这面旗帜。

Mary always likes to score off people when she can.

只要有机会，玛丽总爱出别人的洋相。

He flew into a temper when he heard the news.

听到这消息他勃然大怒。

I was all abroad when I heard the news.

听到这消息时我感到茫然。

He burst up when he heard the news.

听到那个消息他勃然大怒。

All his support melt away when he really needed it.

在他真正需要支持时，却得不到一丝半点。

It's prudent to take a thick coat in cold weather when you go out.

在寒冷的天气下外出时带上件厚外套是谨慎的。

I hate intruders when I am studying.

在我学习时我讨厌有人打扰我。

I am no match for her when it comes to language.

在语言能力方面我根本不是她的对手。

Seth really took it hard when his old dog died.

塞思的那条老狗死的时候，他确实怏怏不乐。

Soldiers sign out when they leave the barracks.

士兵离开营房得登记签字。

Gone are the days when a big nation could lord it over small ones.

大国可以对小国称王称霸的日子已经一去不复返了。

Most animals are soft and fluffy when first born.

大多数动物刚出生时都很软，身上有绒毛。

It gets cold quickly when the sun goes down.

太阳下山后天气很快就会冷下来。

Since when has she been learning bookkeeping?

她从什么时候起学薄记的？

She was badly hurt when she fell from the ladder.

她从梯子上跌下来，伤得很厉害。

She came in June, when (=in which) it was very hot.

她六月来，那时天气非常热。

She was about to dish up when some guests came.

她刚要上菜开饭，这时来了一些客人。

She wants everything just so when she arrives home.

她到家时总是要把家里搞得井井有条的。

She'll leave him a right smart when she passes on.

她去世后将会给他留下大笔财产。

She expands only when being praised and flattered.

她只有受到表扬和奉承的时候才喜笑颜开。

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